Cheremisinoff, N. P., & Graffia, M. (1995). Environmental and health & safety management: A guide to compliance. Noyes Publications.
Lua i Stíl Chicago (17ú heag.)Cheremisinoff, Nicholas P., agus Madelyn Graffia. Environmental and Health & Safety Management: A Guide to Compliance. Park Ridge, N.J.: Noyes Publications, 1995.
Lua MLA (8ú heag.)Cheremisinoff, Nicholas P., agus Madelyn Graffia. Environmental and Health & Safety Management: A Guide to Compliance. Noyes Publications, 1995.
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